National Road
E36836
The National Road is a historic early 19th-century U.S. highway that served as a major route for westward expansion and commerce, stretching from Maryland into the Midwest.
All labels observed (2)
| Label | Occurrences |
|---|---|
| National Road canonical | 14 |
| Historic National Road | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T281470 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: National Road Context triple: [Uniontown, Pennsylvania, locatedOn, National Road]
-
A.
A12 road
The A12 road is a major trunk route in eastern England that connects London with coastal towns in Essex and Suffolk before continuing toward Norfolk.
-
B.
A1 road
The A1 road is a major north–south trunk route in England that forms part of the historic Great North Road, linking London with Edinburgh via numerous towns and junctions.
-
C.
Generals Highway
Generals Highway is a scenic mountain road in California that winds through Sequoia and Kings Canyon National Parks, providing access to giant sequoia groves and major park attractions.
-
D.
A25 road
The A25 road is an important east–west route in South East England that runs through Surrey and connects several towns between Guildford and Sevenoaks.
-
E.
Shirley Highway
Shirley Highway is a major freeway in Northern Virginia that forms part of the primary commuter route between the suburbs and Washington, D.C.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: National Road Target entity description: The National Road is a historic early 19th-century U.S. highway that served as a major route for westward expansion and commerce, stretching from Maryland into the Midwest.
-
A.
A12 road
The A12 road is a major trunk route in eastern England that connects London with coastal towns in Essex and Suffolk before continuing toward Norfolk.
-
B.
A1 road
The A1 road is a major north–south trunk route in England that forms part of the historic Great North Road, linking London with Edinburgh via numerous towns and junctions.
-
C.
Generals Highway
Generals Highway is a scenic mountain road in California that winds through Sequoia and Kings Canyon National Parks, providing access to giant sequoia groves and major park attractions.
-
D.
A25 road
The A25 road is an important east–west route in South East England that runs through Surrey and connects several towns between Guildford and Sevenoaks.
-
E.
Shirley Highway
Shirley Highway is a major freeway in Northern Virginia that forms part of the primary commuter route between the suburbs and Washington, D.C.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
United States federal road
ⓘ
historic highway ⓘ |
| alsoKnownAs |
Cumberland Road
ⓘ
National Pike ⓘ
linked to:
U.S. Route 40
|
| authorizedBy |
President Thomas Jefferson
ⓘ
linked to:
Thomas Jefferson
|
| builtBy |
United States federal government
ⓘ
linked to:
United States government
|
| category |
Historic trails and roads in the United States
ⓘ
Roads on the National Register of Historic Places in the United States ⓘ |
| connectedTo |
Baltimore, Maryland
ⓘ
linked to:
Baltimore
Ohio River region ⓘ
linked to:
Ohio Valley region
|
| constructionStartDate | 1811 ⓘ |
| constructionTechnique | stone and gravel roadbed ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| culturalSignificance | symbol of American expansionism ⓘ |
| declineCause | rise of railroads ⓘ |
| endPoint | Vandalia, Illinois ⓘ |
| eraOfPeakUse | mid-19th century ⓘ |
| follows | Cumberland Road ⓘ |
| fundingMethod | federally funded internal improvement ⓘ |
| heritageStatus | listed segments on the National Register of Historic Places ⓘ |
| historicalPeriod | Early Republic of the United States ⓘ |
| influenced |
development of towns along its route
ⓘ
economic growth of the Old Northwest ⓘ |
| legislatedBy | United States Congress ⓘ |
| locatedIn |
Eastern United States
ⓘ
Midwestern United States ⓘ |
| modernSuccessor | U.S. Route 40 ⓘ |
| opened | early 19th century ⓘ |
| partOf | United States Numbered Highway System precursor ⓘ |
| passesThrough |
Illinois
ⓘ
Indiana ⓘ Maryland ⓘ Ohio ⓘ Pennsylvania ⓘ West Virginia ⓘ |
| purpose |
facilitate migration to the West
ⓘ
improve transportation of goods ⓘ link Atlantic seaboard with interior ⓘ |
| roadSurface | originally macadamized in many sections ⓘ |
| significance |
first major improved highway built by the U.S. federal government
ⓘ
major route for interstate commerce ⓘ major route for westward expansion ⓘ |
| startPoint | Cumberland, Maryland ⓘ |
| usedFor |
stagecoach travel
ⓘ
wagon freight traffic ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: National Road Description of subject: The National Road is a historic early 19th-century U.S. highway that served as a major route for westward expansion and commerce, stretching from Maryland into the Midwest.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Uniontown, Pennsylvania, United States
linked to: National Road
linked to: National Road